Organic light emitting diode display structure

Details Organic light emitting diode display structure Organic light emitting diode display structure

2005-03-29

2005-03-29

Patel, Vip (Department: 2879)

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

Polarizer or special ray transmission

C313S504000, C313S506000

Reexamination Certificate

active

06873093

ABSTRACT:
A display structure (200, 500, 600, 700, 800) comprises an emissive layer (260, 360, 460) and an excitation prevention layer (270, 370, 470, 735, 840). The emissive layer includes a set of first color emitting areas (211, 216, 221, 311, 316, 321, 411, 416, 421) that emit a first color light in response to light that is generated by a first set of light emitting diodes (LEDs) (210, 215, 220, 310, 315, 320, 410, 415, 420) that are preferably organic. The excitation prevention layer is disposed at the front side of the emissive layer and includes a first set of excitation prevention filter areas (225, 230, 235, 325, 330, 335, 420, 430, 435). In one embodiment, a first set of excitation prevention filter areas block a band of the light that is incident upon the emissive layer from the front of the display, wherein the blocked band of light is within an excitation band of the first set of LEDs.

REFERENCES:
patent: 20040070333 (2004-04-01), Lin et al.
patent: WO 9828767 (1998-07-01), None
Popovic Z.D.; Aziz H. Reliability and Degradation of Small Molecule-Based Organic Light-Emitting Devices (OLEDs) IEEE Journal on Selected Topics in Quantum Electronics vol. 8, No. 2 Mar./Apr. 2002.
Steranka F.; Hodapp M. “Advances in LED Performance open New Markets for the Technology” 1998 The Photonics Design and Applications Handbook.

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